This chart shows the amount of protein in various vegan foods and also the number of grams of protein per 100 calories. To meet protein recommendations, the typical adult male vegan needs only 2.2 to 2.7 grams of protein per 100 calories and the typical adult female vegan needs only 2.3 to 2.9 grams of protein per 100 calories. These recommendations can be easily met from vegan sources.